annotate Meerwald/cmp_kund3_sig.c @ 4:9cf6ec970448 v0.5

mention filter param.
author Peter Meerwald <pmeerw@cosy.sbg.ac.at>
date Tue, 14 Aug 2007 21:13:11 +0200
parents acb6967ee76d
children f83ef905a63d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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1 #include "wm.h"
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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2 #include "signature.h"
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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3
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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4 char *progname;
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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5
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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6 void usage(void) {
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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7 fprintf(stderr, "usage: %s [-h] [-C] [-o file] [-v n] -s file file\n\n", progname);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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8 fprintf(stderr, "\t-C\t\toutput correlation only\n");
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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9 fprintf(stderr, "\t-h\t\tprint usage\n");
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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10 fprintf(stderr, "\t-o file\t\toutput file\n");
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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11 fprintf(stderr, "\t-s file\t\toriginal signature file\n");
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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12 fprintf(stderr, "\t-v n\t\tverbosity level\n");
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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13 exit(0);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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14 }
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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15
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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16 int main(int argc, char *argv[]) {
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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17
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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18 FILE *in = stdin;
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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19 FILE *out = stdout;
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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20 FILE *sig = NULL;
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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21
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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22 char signature_name[MAXPATHLEN];
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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23 char output_name[MAXPATHLEN] = "(stdout)";
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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24 char input_name[MAXPATHLEN] = "(stdin)";
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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25
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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26 char *binstr1;
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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27 char *binstr2;
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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28
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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29 int correlation_only = 0;
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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30
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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31 int c, i;
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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32 int quality = 0;
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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33 int corr = 0, match = 0;
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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34 int verbose = 0;
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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35 int filter = 0;
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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36 int method = 0;
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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37 int level = 0;
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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38 char filter_name[MAXPATHLEN] = "";
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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39
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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40 int seed;
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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41 char line[32];
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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42
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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43 progname = argv[0];
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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44
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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45 while ((c = getopt(argc, argv, "h?Co:s:v:")) != EOF) {
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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46 switch (c) {
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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47 case 'h':
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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48 case '?':
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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49 usage();
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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50 break;
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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51 case 'C':
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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52 correlation_only = 1;
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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53 break;
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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54 case 'o':
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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55 if ((out = fopen(optarg, "w")) == NULL) {
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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56 fprintf(stderr, "%s: unable to open output file %s\n", progname, optarg);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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57 exit(1);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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58 }
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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59 strcpy(output_name, optarg);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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60 break;
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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61 case 's':
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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62 if ((sig = fopen(optarg, "r")) == NULL) {
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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63 fprintf(stderr, "%s: unable to open signature file %s\n", progname, optarg);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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64 exit(1);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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65 }
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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66 strcpy(signature_name, optarg);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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67 break;
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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68 case 'v':
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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69 verbose = atoi(optarg);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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70 if (verbose < 0) {
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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71 fprintf(stderr, "%s: verbosity level %d out of range\n", progname, verbose);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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72 exit(1);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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73 }
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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74 break;
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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75 }
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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76 }
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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77
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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78 argc -= optind;
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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79 argv += optind;
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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80
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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81 if (argc > 1) {
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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82 usage();
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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83 exit(1);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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84 }
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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85
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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86 if (argc == 1 && *argv[0] != '-')
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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87 if ((in = fopen(argv[0], "r")) == NULL) {
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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88 fprintf(stderr, "%s: unable to open input file %s\n", progname, argv[0]);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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89 exit(1);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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90 }
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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91 else
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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92 strcpy(input_name, argv[0]);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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93
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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94 if (sig) {
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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95 fgets(line, sizeof(line), sig);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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96 if (strspn(line, "KD3SG") >= 5) {
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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97 fscanf(sig, "%d\n", &nbit_signature1);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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98 fscanf(sig, "%d\n", &quality);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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99 fscanf(sig, "%d\n", &method);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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100 fscanf(sig, "%d\n", &filter);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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101 fscanf(sig, "%[^\n\r]\n", &filter_name);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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102 fscanf(sig, "%d\n", &level);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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103 fscanf(sig, "%d\n", &seed);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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104 srandom(seed);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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105 n_signature1 = NBITSTOBYTES(nbit_signature1);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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106
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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107 binstr1 = malloc((nbit_signature1 + 1) * sizeof(char));
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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108 fscanf(sig, "%[01]\n", binstr1);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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109 binstr_to_sig1(binstr1);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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110 free(binstr1);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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111 }
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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112 else {
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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113 fprintf(stderr, "%s: invalid signature file %s\n", progname, signature_name);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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114 exit(1);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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115 }
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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116 close(sig);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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117 }
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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118 else {
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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119 fprintf(stderr, "%s: original signature file not specified, use -s file option\n", progname);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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120 exit(1);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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121 }
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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122
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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123 fgets(line, sizeof(line), in);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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124 if (strspn(line, "KD3WM") >= 5) {
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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125 fscanf(in, "%d\n", &nbit_signature2);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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126 n_signature2 = NBITSTOBYTES(nbit_signature2);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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127 binstr2 = malloc((nbit_signature2 + 1) * sizeof(char));
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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128 fscanf(in, "%[01]\n", binstr2);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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129 binstr_to_sig2(binstr2);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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130 free(binstr2);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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131 }
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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132 else {
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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133 fprintf(stderr, "%s: invalid watermark file %s\n", progname, input_name);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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134 exit(1);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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135 }
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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136
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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137 if (verbose > 0) {
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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138 fprintf(stderr, "signature length: %d\n", nbit_signature1);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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139 fprintf(stderr, "watermark length: %d\n", nbit_signature2);
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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140 }
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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141
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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142 for (i = 0; i < nbit_signature2; i++)
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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143 if (get_signature1_bit(i % nbit_signature1) == get_signature2_bit(i))
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Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
144 corr++, match++;
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
145 else
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
146 corr--;
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
147
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
148 if (correlation_only)
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
149 fprintf(out, "%lf\n", (double) corr / nbit_signature2);
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
150 else {
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
151 fprintf(out, "bit matches: %d/%d\n", match, nbit_signature2);
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
152 fprintf(out, "correlation: %lf\n", (double) corr / nbit_signature2);
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
153 }
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
154
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
155 exit(0);
acb6967ee76d update to 0.5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
156 }

Repositories maintained by Peter Meerwald, pmeerw@pmeerw.net.